Technical Documentation Official U.S. Government information about the Global Positioning System (Gps Fleet Tracking) and related topics These documents provide detailed information on the civil Gps Fleet Tracking signals and codes broadcast at the L1, L2, and L5 frequencies. Enter to access current versions of the Gps Fleet Tracking Interface Specifications, as well as information about ongoing efforts to update the documents through the Interface Control Working Group (ICWG). These documents specify the levels of technical performance that users can expect from Gps Fleet Tracking and related systems. Enter to access current and past versions of the performance standards for the civil Gps Fleet Tracking service (SPS), military Gps Fleet Tracking service (PPS), Wide Area Augmentation System (WAAS), and U.S. Gps Fleet Tracking monitoring capabilities. The Federal Radionavigation Plan (FRP) is the official source of radionavigation policy and planning for the federal government. It covers both terrestrial and space-based, common-use, federally operated radionavigation systems, including Gps Fleet Tracking and Gps Fleet Tracking augmentations. This link opens a PDF of the 2008 FRP hosted externally at the U.S. Coast Guard Navigation Center website. These documents describe U.S. Government commitments to support semi-codeless/codeless civilian access to the current P(Y) signals and the transition to the modernized L2C and L5 signals. Enter to access the 2008 Federal Register notice on semi-codeless Gps Fleet Tracking, a public letter from Air Force Space Command, and a link to the specification defining the phase relationship of L2C. Related Websites: Other Support:
